That narrows it down a bit. Is there a certain time of day you'd like to travel? The choices range from very early morning to quite late at night.
I would like to arrive at the airport by 08:30.
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attraction-area attraction-type train-arriveby train-day train-departure train-destination
attraction-area attraction-name attraction-type train-arriveby train-day train-departure train-destination
attraction-area attraction-type train-arriveby train-day train-departure train-destination